FINANCIAL ASSETS AND LIABILITIES - Fair Value Measurements (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Mar. 31, 2022	Dec. 31, 2021
Financial assets and financial liabilities:
Derivative assets impacted by netting arrangements	$ 0	$ 0
Long-term debt	3,000	3,000
Long-term debt, fair value	2,700
Time deposits
Financial assets and financial liabilities:
Impairments of non-financial assets	0	0
Level 2
Financial assets and financial liabilities:
Derivative liabilities	2	1
Prepaid expenses and other current assets \| Level 2
Financial assets and financial liabilities:
Derivative assets	9	9
Cash and cash equivalents \| Time deposits
Financial assets and financial liabilities:
Available-for-sale debt securities	$ 972	$ 609

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and elected not to be offset.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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